1. comparative form of hefty; heavier in weight or more substantial
2. comparative form of hefty; larger in size or amount

Examples

• This suitcase is heftier than the one I used last year.
• The heftier version of the textbook includes more practice problems.
• He lifted the heftier box with both hands.
• The restaurant's heftier portions attracted many hungry customers.
• A heftier price tag doesn't always mean better quality.
• The heftier snowfall this winter caused several road closures.